content: /*
   * Copyright 2016-present David Karnok
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package hu.akarnokd.rxjava3.basetypes;
  
  import org.reactivestreams.Subscriber;
  
  import hu.akarnokd.rxjava3.basetypes.SoloMapError.MapErrorSubscriber;
  import io.reactivex.rxjava3.functions.Function;
  
  /**
   * Map the error of upstream to another Throwable.
   *
   * @param <T> the source value type
   */
  final class PerhapsMapError<T> extends Perhaps<T> {
  
      final Perhaps<T> source;
  
      final Function<? super Throwable, ? extends Throwable> errorMapper;
  
      PerhapsMapError(Perhaps<T> source, Function<? super Throwable, ? extends Throwable> errorMapper) {
          this.source = source;
          this.errorMapper = errorMapper;
      }
  
      @Override
      protected void subscribeActual(Subscriber<? super T> s) {
          source.subscribe(new MapErrorSubscriber<T>(s, errorMapper));
      }
  }
  